minecraft-src/net/minecraft/world/level/block/BigDripleafStemBlock.java

package net.minecraft.world.level.block;

import com.mojang.serialization.MapCodec;
import java.util.Optional;
import net.minecraft.BlockUtil;
import net.minecraft.core.BlockPos;
import net.minecraft.core.Direction;
import net.minecraft.server.level.ServerLevel;
import net.minecraft.tags.BlockTags;
import net.minecraft.util.RandomSource;
import net.minecraft.world.item.ItemStack;
import net.minecraft.world.level.BlockGetter;
import net.minecraft.world.level.Level;
import net.minecraft.world.level.LevelAccessor;
import net.minecraft.world.level.LevelReader;
import net.minecraft.world.level.block.state.BlockBehaviour;
import net.minecraft.world.level.block.state.BlockState;
import net.minecraft.world.level.block.state.StateDefinition;
import net.minecraft.world.level.block.state.properties.BlockStateProperties;
import net.minecraft.world.level.block.state.properties.BooleanProperty;
import net.minecraft.world.level.material.FluidState;
import net.minecraft.world.level.material.Fluids;
import net.minecraft.world.phys.shapes.CollisionContext;
import net.minecraft.world.phys.shapes.VoxelShape;

public class BigDripleafStemBlock extends HorizontalDirectionalBlock implements BonemealableBlock, SimpleWaterloggedBlock {
	public static final MapCodec<BigDripleafStemBlock> CODEC = simpleCodec(BigDripleafStemBlock::new);
	private static final BooleanProperty WATERLOGGED = BlockStateProperties.WATERLOGGED;
	private static final int STEM_WIDTH = 6;
	protected static final VoxelShape NORTH_SHAPE = Block.box(5.0, 0.0, 9.0, 11.0, 16.0, 15.0);
	protected static final VoxelShape SOUTH_SHAPE = Block.box(5.0, 0.0, 1.0, 11.0, 16.0, 7.0);
	protected static final VoxelShape EAST_SHAPE = Block.box(1.0, 0.0, 5.0, 7.0, 16.0, 11.0);
	protected static final VoxelShape WEST_SHAPE = Block.box(9.0, 0.0, 5.0, 15.0, 16.0, 11.0);

	@Override
	public MapCodec<BigDripleafStemBlock> codec() {
		return CODEC;
	}

	protected BigDripleafStemBlock(BlockBehaviour.Properties properties) {
		super(properties);
		this.registerDefaultState(this.stateDefinition.any().setValue(WATERLOGGED, false).setValue(FACING, Direction.NORTH));
	}

	@Override
	protected VoxelShape getShape(BlockState state, BlockGetter level, BlockPos pos, CollisionContext context) {
		switch ((Direction)state.getValue(FACING)) {
			case SOUTH:
				return SOUTH_SHAPE;
			case NORTH:
			default:
				return NORTH_SHAPE;
			case WEST:
				return WEST_SHAPE;
			case EAST:
				return EAST_SHAPE;
		}
	}

	@Override
	protected void createBlockStateDefinition(StateDefinition.Builder<Block, BlockState> builder) {
		builder.add(WATERLOGGED, FACING);
	}

	@Override
	protected FluidState getFluidState(BlockState state) {
		return state.getValue(WATERLOGGED) ? Fluids.WATER.getSource(false) : super.getFluidState(state);
	}

	@Override
	protected boolean canSurvive(BlockState state, LevelReader level, BlockPos pos) {
		BlockPos blockPos = pos.below();
		BlockState blockState = level.getBlockState(blockPos);
		BlockState blockState2 = level.getBlockState(pos.above());
		return (blockState.is(this) || blockState.is(BlockTags.BIG_DRIPLEAF_PLACEABLE)) && (blockState2.is(this) || blockState2.is(Blocks.BIG_DRIPLEAF));
	}

	protected static boolean place(LevelAccessor level, BlockPos pos, FluidState fluidState, Direction direction) {
		BlockState blockState = Blocks.BIG_DRIPLEAF_STEM
			.defaultBlockState()
			.setValue(WATERLOGGED, fluidState.isSourceOfType(Fluids.WATER))
			.setValue(FACING, direction);
		return level.setBlock(pos, blockState, 3);
	}

	@Override
	protected BlockState updateShape(BlockState state, Direction direction, BlockState neighborState, LevelAccessor level, BlockPos pos, BlockPos neighborPos) {
		if ((direction == Direction.DOWN || direction == Direction.UP) && !state.canSurvive(level, pos)) {
			level.scheduleTick(pos, this, 1);
		}

		if ((Boolean)state.getValue(WATERLOGGED)) {
			level.scheduleTick(pos, Fluids.WATER, Fluids.WATER.getTickDelay(level));
		}

		return super.updateShape(state, direction, neighborState, level, pos, neighborPos);
	}

	@Override
	protected void tick(BlockState state, ServerLevel level, BlockPos pos, RandomSource random) {
		if (!state.canSurvive(level, pos)) {
			level.destroyBlock(pos, true);
		}
	}

	@Override
	public boolean isValidBonemealTarget(LevelReader level, BlockPos pos, BlockState state) {
		Optional<BlockPos> optional = BlockUtil.getTopConnectedBlock(level, pos, state.getBlock(), Direction.UP, Blocks.BIG_DRIPLEAF);
		if (optional.isEmpty()) {
			return false;
		} else {
			BlockPos blockPos = ((BlockPos)optional.get()).above();
			BlockState blockState = level.getBlockState(blockPos);
			return BigDripleafBlock.canPlaceAt(level, blockPos, blockState);
		}
	}

	@Override
	public boolean isBonemealSuccess(Level level, RandomSource random, BlockPos pos, BlockState state) {
		return true;
	}

	@Override
	public void performBonemeal(ServerLevel level, RandomSource random, BlockPos pos, BlockState state) {
		Optional<BlockPos> optional = BlockUtil.getTopConnectedBlock(level, pos, state.getBlock(), Direction.UP, Blocks.BIG_DRIPLEAF);
		if (!optional.isEmpty()) {
			BlockPos blockPos = (BlockPos)optional.get();
			BlockPos blockPos2 = blockPos.above();
			Direction direction = state.getValue(FACING);
			place(level, blockPos, level.getFluidState(blockPos), direction);
			BigDripleafBlock.place(level, blockPos2, level.getFluidState(blockPos2), direction);
		}
	}

	@Override
	public ItemStack getCloneItemStack(LevelReader level, BlockPos pos, BlockState state) {
		return new ItemStack(Blocks.BIG_DRIPLEAF);
	}
}